[baobab] Do not init static var twice

[Paolo Borelli <pborelli src gnome org>]

commit 15c37243090057ca2d61d948e92e56cfe2170eb5
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Mar 16 17:58:09 2013 +0100

    Do not init static var twice
    
    The busy cursor is static, so init it once.

 src/baobab-window.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/baobab-window.vala b/src/baobab-window.vala
index 7a9cf32..49fccd7 100644
--- a/src/baobab-window.vala
+++ b/src/baobab-window.vala
@@ -88,7 +88,9 @@ namespace Baobab {
         public Window (Application app) {
             Object (application: app);
 
-            busy_cursor = new Gdk.Cursor (Gdk.CursorType.WATCH);
+            if (busy_cursor == null) {
+                busy_cursor = new Gdk.Cursor (Gdk.CursorType.WATCH);
+            }
 
             add_action_entries (action_entries, this);